If you're whipping up potato salad and don't have mayonnaise on hand, or you'd just prefer a dressing that's a little less oily, there's one formidable alternative out there: Yogurt. This dairy ...

Without mayo, there would be no deviled eggs, club sandwiches or classic potato salad anymore. But really good mayonnaise can't be bought in a jar at the grocery store; it's made from scratch at home.